Method of treating scrap-metal.



UNITED STATEs PATENT OFFICE.

JOHN M. OCONNOR, or PORT WASHINGTON, WISCONSIN, nssieNo n. TO THE I CON-NORITE MANUFACTURING COMPANY, or PORT WASHINGTON, WIS- CONSIN.

METHOD O F TREATING SCRAP-METAL.

SPECIFICATION forming part of Letters Patent No. 715,2l1,'dated December 2, 1902. 7

Application filed March 13, 1902. Serial No. 98,050. (No specimens.)

. T ail wiwm/ it y concern: 'be such molds as are ordinarilyused in mak- Be it known that'I, JOHN M. OCONNOR, a ingbrass castings. I My herein set forth pro-j o citizen of the United States, and a resident of cess not only utilizes the said German-silver Port Washington, in the county of Ozaukee sheet-scrap, but, further, it removes there- 5 and State of Wisconsin, haveiuvented certain from its objectionable yellow color, leaving a 7 new and useful Improvements in Methods of pure white metal alloy, resembling nickel, Treating Refractory Scrap-Metal; and I do capable of receiving a high polish when the 55 hereby'declare that the following is a full, said castings. are subjected to the action of. clear, and exact description thereof. suitable buffing or polishing wheels, the said 10 My invention relates toamethod of remeltalloy being of practically the strength and ing refractory scrap-metal, so that the same consistencyof brass. Thesoft metal'isadded, may be readily cast, thereby converting the as stated, in the proper proportion necessi- 60 same from a comparatively worthless into a tated by the use to which the castings are to very valuable product; and it consists in cerbe put. For example, if a great deal of matain steps performed with the hereinafterchine-Work is to be performed on the castings named ingredients in a certain manner and more of the soft metal is added (to render the order, as well as in the new alloy thereby procastings soft enough for subsequent opera- 65 duced, all as will be fully set forth herein'and tions) than if the castings are not to be so subsequently claimed. treated.

2o Heretofore German-silver scrap-metal, es- The metallic alloy produced by this process pecially in the form of sheet-scrap, has been may also be rolled into sheets or formed into of practically little, if any, value, owing to tubes or other articles, as desired. It can 70 the fact that the same is incapable of being also be cast into suitable plates to serve asremelted and cast by the ordinary processes; anodes in electroplating, being equally as butlhavediscovered that by takinga suitable good as, if not superior to, nickel for this purquantitysay from forty to fifty p0undspose and, in brief, for any purpose for which of the said sheet-scrap metal and putting the nickel or brass can be used. 75 same in a crucible and adding thereto as'mall Having thus described my invention, what percentage of a suitable soft metal, such as Iclaim as new, and desire to secure by Letters lead, (the proportions of the latter beingfrom Patent, is-

one to twenty per cent. of the weight of the The herein-described method of utilizing scrap-metal, according to the use to whichthe German-silver scrap-metal,consisting in plac- 8o final article is to be put,) and placing the ing' the same in a crucible, adding thereto a crucible, with its contents, in an ordinary small quantity of a-soft metal, such as lead,

brass melting furnace and subjecting it to a and subjecting the mass to a proper heat for a temperature sufficient to produce a white length of time sufficient to thoroughly mix heat for approximately two hours the said and fuse the same into a homogeneous mass; 85 scrap-metal and soft metal will thoroughly then mixing therewith a small proportion of mix and fuse together in a homogeneous mass, aluminium, and immediately thereafter pourandas soon as this point of fusion is reached iug the entire mixture into suitable molds.

(whether the time required for this result be In testimony that I claim the foregoing 1 two hours or more or less) I add a small have hereunto set my hand, at Port Wash- 90 quantity of aluminium,(less than ten percent. ington, in the county of Ozaukee and State of in weight of the weight of the mixture in the Wisconsin, in the presence of two witnesses.

crucible,) which instantly mixes intimately JOHN M. OCONNOR.

with the mass in the crucible, and then the Witnesses: entire mixture is immediately poured into CLARENCE HILL, previously-prepared molds, which latter may H. W. BOLENS. 

